:root {
    --gradient-blue: linear-gradient(135deg, #0F4C9E 0%, #2563EB 50%, #22D3EE 100%);
    --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
}
* { scroll-behavior: smooth; }
body { background: #050B1A; color: #E2E8F0; font-family: system-ui, -apple-system, sans-serif; }
.circuit-bg {
    background-image:
        linear-gradient(rgba(0, 240, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.025) 1px, transparent 1px);
    background-size: 45px 45px;
}
.gradient-text {
    background: var(--gradient-blue);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.glass-card {
    background: linear-gradient(135deg, rgba(15, 32, 62, 0.7) 0%, rgba(20, 42, 82, 0.5) 100%);
    border: 1px solid rgba(37, 99, 235, 0.15);
    backdrop-filter: blur(10px);
}
.nav-link { position: relative; transition: color 0.15s ease-out; }
.nav-link::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
    background: var(--gradient-blue); transition: width 0.15s ease-out; border-radius: 2px;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { color: #22D3EE !important; }
.btn-primary {
    background: var(--gradient-blue);
    transition: all 0.15s ease-out;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}
/* 文章内容样式 */
.article-content {
    font-size: 1rem;
    line-height: 2;
    color: #CBD5E1;
}
.article-content p {
    margin-bottom: 1.5rem;
    text-indent: 2em;
}
.article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 2.5rem 0 1rem;
    padding-left: 0.75rem;
    border-left: 4px solid #22D3EE;
}
.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #E2E8F0;
    margin: 2rem 0 0.75rem;
}
.article-content ul, .article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2em;
}
.article-content li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}
.article-content blockquote {
    border-left: 4px solid #2563EB;
    background: rgba(37, 99, 235, 0.08);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
    color: #93C5FD;
    font-style: italic;
}
.article-content blockquote p {
    text-indent: 0;
    margin-bottom: 0;
}
.article-content img {
    border-radius: 12px;
    margin: 1.5rem 0;
    max-width: 100%;
    height: auto;
}
.article-content a {
    color: #22D3EE;
    text-decoration: underline;
    transition: color 0.15s ease-out;
}
.article-content a:hover { color: #67E8F9; }
.article-content strong { color: #fff; font-weight: 600; }
/* 文章封面 */
.article-cover {
    position: relative;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2rem;
}
.article-cover img,
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.article-cover::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(5, 11, 26, 0.9) 100%);
}
.cover-pattern {
    position: absolute; inset: 0; opacity: 0.2;
    background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.3) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(255,255,255,0.2) 0%, transparent 40%);
}
.cover-icon {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    font-size: 5rem; opacity: 0.25; z-index: 1;
}
/* 标签 */
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.8125rem;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.25);
    color: #60A5FA;
    transition: all 0.15s ease-out;
    cursor: pointer;
}
.tag-item:hover {
    background: rgba(37, 99, 235, 0.2);
    border-color: rgba(34, 211, 238, 0.4);
    color: #22D3EE;
}
/* 相关新闻卡片 */
.related-card {
    background: linear-gradient(135deg, rgba(15, 32, 62, 0.8) 0%, rgba(20, 42, 82, 0.7) 100%);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.15s ease-out;
    cursor: pointer;
}
.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.2);
}
.related-cover {
    height: 120px;
    position: relative;
    overflow: hidden;
}
.related-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.15s ease-out;
}
.related-card:hover .related-title { color: #22D3EE; }
/* 上下篇导航 */
.prev-next-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.prev-next-item {
    padding: 1.25rem;
    border-radius: 12px;
    background: rgba(15, 32, 62, 0.5);
    border: 1px solid rgba(37, 99, 235, 0.15);
    transition: all 0.15s ease-out;
    cursor: pointer;
}
.prev-next-item:hover {
    border-color: rgba(34, 211, 238, 0.4);
    background: rgba(15, 32, 62, 0.7);
}
.prev-next-label {
    font-size: 0.75rem;
    color: #64748B;
    margin-bottom: 0.375rem;
    display: flex;
    align-items: center;
    gap: 4px;
}
.prev-next-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #CBD5E1;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.15s ease-out;
}
.prev-next-item:hover .prev-next-title { color: #22D3EE; }
.footer-nav-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.footer-nav-col ul li { margin-bottom: 0.5rem; }
.footer-nav-col ul li a { color: #94A3B8; font-size: 0.875rem; transition: color 0.15s ease-out; }
.footer-nav-col ul li a:hover { color: #22D3EE; }
.anim-fade-up { opacity: 0; transform: translateY(30px); transition: all 0.6s ease-out; }
.anim-fade-up.visible { opacity: 1; transform: translateY(0); }
.cover-honor { background: linear-gradient(135deg, #F59E0B 0%, #D97706 50%, #92400E 100%); }
.cover-finance { background: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 50%, #4C1D95 100%); }
.cover-product { background: linear-gradient(135deg, #0F4C9E 0%, #2563EB 50%, #22D3EE 100%); }
/* 分享按钮 */
.share-btn {
    width: 36px; height: 36px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(37, 99, 235, 0.12);
    border: 1px solid rgba(37, 99, 235, 0.25);
    color: #60A5FA;
    transition: all 0.15s ease-out;
    cursor: pointer;
}
.share-btn:hover {
    background: rgba(37, 99, 235, 0.25);
    border-color: rgba(34, 211, 238, 0.5);
    color: #22D3EE;
    transform: translateY(-2px);
}
@media (max-width: 640px) {
    .prev-next-nav { grid-template-columns: 1fr; }
    .article-cover { height: 200px; }
}
